Arduino And Electronics Arabic Projects Djerba Tunisia

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• //Programa: Arduino e DHT11 controle de rele por temperatura
• //Autor: Arduino e Cia
•
• "U8glib.h"
•
•
• U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);
•
• int posicao = 0;
• int temp_max = 20;
•
• pino_aumenta 5
• pino_diminui 4
• pino_rele 7
• pino_DHT A0
• DHTTYPE DHT11
•
• DHT dht(pino_DHT, DHTTYPE);
•
• int temperatura;
• int aumenta, diminui;
•
• unsigned long previousMillis = 0;
• //Intervalo de medicao temperatura
• const long interval = 2000;
•
• void draw()
• {
• //Retangulo temperatura atual
• u8g.drawRFrame(0, 17, 84, 46, 2);
• u8g.setFont(u8g_font_fub20);
• //Atualiza a temperatura no display
• u8g.setPrintPos(13, 50);
• u8g.print(temperatura);
• //Circulo grau
• u8g.drawCircle(51, 33, 3);
• u8g.drawStr( 56, 50, "C");
•
• //Box superior amarelo
• u8g.setFont(u8g_font_8x13B);
• u8g.drawRBox(0, 0, 127, 16, 2);
• u8g.setColorIndex(0);
• u8g.drawStr( 21, 13, "TEMPERATURA");
• u8g.setColorIndex(1);
•
• //box temperatura maxima
• u8g.drawRFrame(86, 17, 42, 46, 2);
• if (temp_max = interval)
• {
• temperatura = dht.readTemperature();
• previousMillis = currentMillis;
• }
•
• //Testa botao aumenta temperatura
• aumenta = digitalRead(pino_aumenta);
• if (aumenta == 1)
• {temp_max++;}
• while (digitalRead(pino_aumenta) == 1)
• {delay(10);}
•
• //testa botao diminui temperatura
• diminui = digitalRead(pino_diminui);
• if (diminui == 1)
• {temp_max--;}
• while (digitalRead(pino_diminui) == 1)
• {delay(10);}
•
• u8g.firstPage();
• // Chama a rotina de desenho na tela
• do
• {
• draw();
• }
• while ( u8g.nextPage() );
• delay(50);
• }

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